java统一返回码封装

public interface StatusCode {
    public int getCode();
    public String getMsg();
}

@Getter
public enum ResultCode implements StatusCode{
    
    SUCCESS(1000, "请求成功"),
    FAILED(1001, "请求失败"),
    VALIDATE_ERROR(1002, "参数校验失败"),
    RESPONSE_PACK_ERROR(1003, "response返回包装失败");


    private int code;
    private String msg;


    ResultCode(int code, String msg) {
        this.code = code;
        this.msg = msg;
    }
}
@Data
public class ResultVo {
    // 状态码
    private int code;

    // 状态信息
    private String msg;

    // 返回对象
    private Object data;

    // 手动设置返回vo
    public ResultVo(int code, String msg, Object data) {
        this.code = code;
        this.msg = msg;
        this.data = data;
    }


    // 默认返回成功状态码，数据对象
    public ResultVo(Object data) {
        this.code = ResultCode.SUCCESS.getCode();
        this.msg = ResultCode.SUCCESS.getMsg();
        this.data = data;
    }

    // 返回指定状态码，数据对象
    public ResultVo(StatusCode statusCode, Object data) {
        this.code = statusCode.getCode();
        this.msg = statusCode.getMsg();
        this.data = data;
    }
    // 只返回状态码
    public ResultVo(StatusCode statusCode) {
        this.code = statusCode.getCode();
        this.msg = statusCode.getMsg();
        this.data = null;
    }
}

@PostMapping("/findByVo")
public ResultVo findByVo(@Validated ProductInfoVo vo) {
    ProductInfo productInfo = new ProductInfo();
    BeanUtils.copyProperties(vo, productInfo);
    return new ResultVo(productInfoService.getOne(new QueryWrapper(productInfo)));
}